HgBr
semiconductor· HgBr
HgBr is a mercury halide semiconductor compound belonging to the family of metal halides, which are layered crystalline materials with tunable electronic properties. This material is primarily investigated in research contexts for optoelectronic and photonic applications, where its layered structure and semiconductor characteristics make it a candidate for next-generation devices including photodetectors, light emitters, and potentially solar cells. HgBr and related mercury halides are notable for their strong light-matter interaction and structural flexibility, though their toxicity and stability concerns require careful handling and may limit commercial deployment compared to less hazardous halide alternatives.
experimental photodetectorsresearch optoelectronicslayered semiconductor devicesphotonic materials developmentx-ray/gamma detection (research)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,707.2 | ksi | — | ||
Exfoliation Energy(Eexf) | 397.1 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3500 | - | — | ||
Shear Modulus(G) | 1,750.6 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2712 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.600 | eV | — | ||
| ↳ | 1.818 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 16.55 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -202.7 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.5290 | eV/atom | — | ||
| ↳ | -0.2671 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.